From e60a40c316702b898383dbd18b82a59c8d187193 Mon Sep 17 00:00:00 2001 From: Archit Taneja Date: Wed, 17 May 2017 13:45:46 +0530 Subject: [PATCH] staging: android: ion: Remove unused members from ion_buffer A few members in ion_buffer struct are unused after features like page faulting, ion_handle and ion_client were removed. Remove these members and the leftover references to them. Signed-off-by: Archit Taneja Reviewed-by: Sumit Semwal Acked-by: Laura Abbott Signed-off-by: Greg Kroah-Hartman --- drivers/staging/android/ion/ion.c | 2 -- drivers/staging/android/ion/ion.h | 14 -------------- 2 files changed, 16 deletions(-) diff --git a/drivers/staging/android/ion/ion.c b/drivers/staging/android/ion/ion.c index 3a724ca..c3e601c 100644 --- a/drivers/staging/android/ion/ion.c +++ b/drivers/staging/android/ion/ion.c @@ -115,7 +115,6 @@ static struct ion_buffer *ion_buffer_create(struct ion_heap *heap, buffer->dev = dev; buffer->size = len; - INIT_LIST_HEAD(&buffer->vmas); INIT_LIST_HEAD(&buffer->attachments); mutex_init(&buffer->lock); mutex_lock(&dev->buffer_lock); @@ -135,7 +134,6 @@ void ion_buffer_destroy(struct ion_buffer *buffer) if (WARN_ON(buffer->kmap_cnt > 0)) buffer->heap->ops->unmap_kernel(buffer->heap, buffer); buffer->heap->ops->free(buffer); - vfree(buffer->pages); kfree(buffer); } diff --git a/drivers/staging/android/ion/ion.h b/drivers/staging/android/ion/ion.h index ace8416..fa9ed81 100644 --- a/drivers/staging/android/ion/ion.h +++ b/drivers/staging/android/ion/ion.h @@ -68,14 +68,6 @@ struct ion_platform_heap { * @kmap_cnt: number of times the buffer is mapped to the kernel * @vaddr: the kernel mapping if kmap_cnt is not zero * @sg_table: the sg table for the buffer if dmap_cnt is not zero - * @pages: flat array of pages in the buffer -- used by fault - * handler and only valid for buffers that are faulted in - * @vmas: list of vma's mapping this buffer - * @handle_count: count of handles referencing this buffer - * @task_comm: taskcomm of last client to reference this buffer in a - * handle, used for debugging - * @pid: pid of last client to reference this buffer in a - * handle, used for debugging */ struct ion_buffer { union { @@ -92,13 +84,7 @@ struct ion_buffer { int kmap_cnt; void *vaddr; struct sg_table *sg_table; - struct page **pages; - struct list_head vmas; struct list_head attachments; - /* used to track orphaned buffers */ - int handle_count; - char task_comm[TASK_COMM_LEN]; - pid_t pid; }; void ion_buffer_destroy(struct ion_buffer *buffer); -- 2.7.4